
# Online Python - IDE, Editor, Compiler, Interpreter
print("Введите начальную координату X:")
X = int(input())
print("Введите начальную координату Y:")
Y = int(input())
print("Введите коэффициент увеличения N:")
N = int(input())

coords = [0,0,10,0,10,10,20,10,20,20,0,20]
if N == 0 and X>=0 and x<=500 and Y>=0 and y<=500:
    pass
else:
    if N > 0 and 0*N+X>=0 and 20*N+Y>=0 and 20*N+X<=500 and 20*N+Y<=500:
        pass
    else:
        if N < 0 and 20*N+Y>=0 and 20*N+Y>=0 and 0*N+X<=500 and 0*N+Y<=500:
            pass
        else:
            print("Размер фигуры превышает максимальный размер поля")
            exit()
root = Tk ()
root.title ("ИТ-марафон")
root.geometry("500x500")

canvas + canvas(bg="white", width=500, height=500)
canvas.pack(anchor=CENTER, expand=1)

canvas.create_polygon(coords[0] *N+X,coords[1] *N+Y,
                      coords[2] *N+X,coords[3] *N+Y,
                      coords[4] *N+X,coords[5] *N+Y,
                      coords[6] *N+X,coords[7] *N+Y,
                      coords[8] *N+X,coords[9] *N+Y,
                      coords[10] *N+X,coords[11] *N+Y)
root.mainloop()